CVE-2019-0017
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedThe Junos Space application, which allows Device Image files to be uploaded, has insufficient validity checking which may allow uploading of malicious images or scripts, or other content types. Affected releases are Juniper Networks Junos Space versions prior to 18.3R1.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceJunos Space application has insufficient validation on Device Image file uploads, allowing attackers to upload malicious images, scripts, or other unauthorized content types that could lead to remote code execution or compromise of other users.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 13.3= 14.1= 15.1= 15.2= 16.1= 17.1= 17.2= 18.1= 18.2CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify the Junos Space versionLog into the Junos Space web UI and navigate to Administration > System > Software or use the CLI command 'show version' on the Space appliance. Also check /var/log/junos-space.log for version strings.Affected if The installed version matches any of these: 13.3, 14.1, 15.1, 15.2, 16.1, 17.1, 17.2, 18.1, or 18.2
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Verify Device Image upload capability is exposedIn the Junos Space UI, navigate to the Device Management or Image Management section where device images are uploaded. Check if this feature is accessible to users with device management privileges.Affected if The Device Image upload feature exists and is accessible to authenticated users (the vulnerability requires this feature to be reachable)
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Inspect uploaded image storage locationsExamine directories where device images are stored on the Junos Space server, typically under /var/cache/junos-space/images or similar paths. Look for file types that are not standard device images (e.g., .jsp, .php, .sh, .exe).Affected if Unexpected file types or scripts are present in image storage directories
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Review Junos Space audit and access logsCheck /var/log/junos-space.log and the web UI audit logs for suspicious upload activity, particularly uploads with unusual file extensions, multiple rapid uploads, or uploads containing web shell patterns.Affected if Logs show uploads of non-image file types or anomalous upload patterns to the device image feature
You are affected if your Junos Space version is 13.3 through 18.2 and the Device Image upload feature is accessible to authenticated users in your deployment.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataUpgrade Junos Space to version 18.3R1 or later to obtain the fix for proper file type and content validation on uploaded device images.
- Consultation6.0 h
- Implementation12.0 h
- Testing8.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $8,448.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-0017 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2019-0017 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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